1640803580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{62483}}^1$

素因数の和:62606

約数の個数: 48

約数和(自身を含む): 3747540384

約数和(自身を除く): 2106736804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 5252, 6565, 13130, 26260, 62483, 124966, 249932, 312415, 624830, 812279, 1249660, 1624558, 3249116, 4061395, 6310783, 8122790, 12621566, 16245580, 25243132, 31553915, 63107830, 82040179, 126215660, 164080358, 328160716, 410200895, 820401790, 1640803580]

約数ペア:

[(1, 1640803580), (2, 820401790), (4, 410200895), (5, 328160716), (10, 164080358), (13, 126215660), (20, 82040179), (26, 63107830), (52, 31553915), (65, 25243132), (101, 16245580), (130, 12621566), (202, 8122790), (260, 6310783), (404, 4061395), (505, 3249116), (1010, 1624558), (1313, 1249660), (2020, 812279), (2626, 624830), (5252, 312415), (6565, 249932), (13130, 124966), (26260, 62483)]